<template>
  <div>
    <!-- <div class="container loginIn" style="backgroundImage: url(http://codegen.caihongy.cn/20201223/72a1e0e0cd6a467ea781956764818af0.jpg)"> -->
    <div class="container loginIn" :style="backStyle">
      <div
        :class="2 == 1 ? 'left' : 2 == 2 ? 'left center' : 'left right'"
        style="backgroundcolor: rgba(206, 221, 207, 0.4)"
      >
        <el-form
          class="login-form"
          label-position="left"
          :label-width="2 == 3 ? '56px' : '0px'"
        >
          <div class="title-container">
            <h3 class="title" style="color: rgba(31, 147, 255, 1)">
              流浪动物救助平台登录
            </h3>
          </div>
          <el-form-item :label="2 == 3 ? '用户名' : ''" :class="'style' + 2">
            <span
              v-if="2 != 3"
              class="svg-container"
              style="color: rgba(16, 17, 17, 1); line-height: 44px"
              ><svg-icon icon-class="user"
            /></span>
            <el-input
              placeholder="请输入用户名"
              name="username"
              type="text"
              v-model="rulesForm.username"
            />
          </el-form-item>
          <el-form-item :label="2 == 3 ? '密码' : ''" :class="'style' + 2">
            <span
              v-if="2 != 3"
              class="svg-container"
              style="color: rgba(16, 17, 17, 1); line-height: 44px"
              ><svg-icon icon-class="password"
            /></span>
            <el-input
              placeholder="请输入密码"
              name="password"
              type="password"
              v-model="rulesForm.password"
            />
          </el-form-item>
          <el-form-item
            v-if="0 == '1'"
            class="code"
            :label="2 == 3 ? '验证码' : ''"
            :class="'style' + 2"
          >
            <span
              v-if="2 != 3"
              class="svg-container"
              style="color: rgba(16, 17, 17, 1); line-height: 44px"
              ><svg-icon icon-class="code"
            /></span>
            <el-input
              placeholder="请输入验证码"
              name="code"
              type="text"
              v-model="rulesForm.code"
            />
            <div
              class="getCodeBt"
              @click="getRandCode(4)"
              style="height: 44px; line-height: 44px"
            >
              <span
                v-for="(item, index) in codes"
                :key="index"
                :style="{
                  color: item.color,
                  transform: item.rotate,
                  fontSize: item.size,
                }"
                >{{ item.num }}</span
              >
            </div>
          </el-form-item>
          <!-- <el-form-item label="角色" prop="loginInRole" class="role">
            <el-radio
              v-for="item in menus"
              v-if="item.hasFrontLogin == '是'"
              v-bind:key="item.roleName"
              v-model="rulesForm.role"
              :label="item.roleName"
              >{{ item.roleName }}</el-radio
            >
          </el-form-item> -->
          <a style="margin: 0 20px 20px" href="#" @click="menuHandler('register')">注册一个</a>
          <el-button
            type="primary"
            @click="login()"
            class="loginInBt"
            style="
              padding: 0;
              font-size: 16px;
              border-radius: 22px;
              height: 44px;
              line-height: 44px;
              width: 100%;
              backgroundcolor: rgba(64, 158, 255, 1);
              bordercolor: rgba(64, 158, 255, 1);
              color: rgba(255, 255, 255, 1);
            "
            >{{ "1" == "1" ? "登录" : "login" }}</el-button
          >
          <el-form-item class="setting">
            <!-- <div style="color:rgba(153, 153, 153, 1)" class="reset">修改密码</div> -->
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>
<script>
import menu from "@/utils/menu";
export default {
  data() {
    return {
      backStyle: {
        backgroundImage: "url(" + require("@/assets/img/background.jpg") + ")",
      },
      rulesForm: {
        username: "",
        password: "",
        role: "用户",
        code: "",
      },
      menus: [],
      tableName: "",
      codes: [
        {
          num: 1,
          color: "#000",
          rotate: "10deg",
          size: "16px",
        },
        {
          num: 2,
          color: "#000",
          rotate: "10deg",
          size: "16px",
        },
        {
          num: 3,
          color: "#000",
          rotate: "10deg",
          size: "16px",
        },
        {
          num: 4,
          color: "#000",
          rotate: "10deg",
          size: "16px",
        },
      ],
    };
  },
  mounted() {
    let menus = menu.list();
    this.menus = menus;
  },
  created() {
    this.setInputColor();
    this.getRandCode();
  },
  methods: {
    menuHandler(name) {
      let router = this.$router;
      name = "/" + name;
      router.push(name);
    },
    setInputColor() {
      this.$nextTick(() => {
        document.querySelectorAll(".loginIn .el-input__inner").forEach((el) => {
          el.style.backgroundColor = "rgba(255, 255, 255, 1)";
          el.style.color = "rgba(20, 21, 21, 0.91)";
          el.style.height = "44px";
          el.style.lineHeight = "44px";
          el.style.borderRadius = "22px";
        });
        document
          .querySelectorAll(".loginIn .style3 .el-form-item__label")
          .forEach((el) => {
            el.style.height = "44px";
            el.style.lineHeight = "44px";
          });
        document
          .querySelectorAll(".loginIn .el-form-item__label")
          .forEach((el) => {
            el.style.color = "rgba(16, 17, 17, 1)";
          });
        setTimeout(() => {
          document
            .querySelectorAll(".loginIn .role .el-radio__label")
            .forEach((el) => {
              el.style.color = "#fff";
            });
        }, 350);
      });
    },
    register(tableName) {
      this.$storage.set("loginTable", tableName);
      this.$router.push({ path: "/register" });
    },
    // 登陆
    login() {
      let code = "";
      for (let i in this.codes) {
        code += this.codes[i].num;
      }
      if (!this.rulesForm.username) {
        this.$message.error("请输入用户名");
        return;
      }
      if (!this.rulesForm.password) {
        this.$message.error("请输入密码");
        return;
      }
      if (!this.rulesForm.role) {
        this.$message.error("请选择角色");
        return;
      }
      let menus = this.menus;
      for (let i = 0; i < menus.length; i++) {
        if (menus[i].roleName == this.rulesForm.role) {
          this.tableName = menus[i].tableName;
        }
      }
      this.$http({
        url: `${this.tableName}/login?username=${this.rulesForm.username}&password=${this.rulesForm.password}`,
        method: "post",
      }).then(({ data }) => {
        if (data && data.code === 0) {
          this.$storage.set("Token", data.token);
          this.$storage.set("role", this.rulesForm.role);
          this.$storage.set("sessionTable", this.tableName);
          this.$storage.set("adminName", this.rulesForm.username);
          this.$storage.set("username", this.rulesForm.username);
          this.$storage.set("tableName", this.tableName);
          this.$router.replace({ path: "/index/" });
        } else {
          this.$message.error(data.msg);
        }
      });
    },
    getRandCode(len = 4) {
      this.randomString(len);
    },
    randomString(len = 4) {
      let chars = [
        "a",
        "b",
        "c",
        "d",
        "e",
        "f",
        "g",
        "h",
        "i",
        "j",
        "k",
        "l",
        "m",
        "n",
        "o",
        "p",
        "q",
        "r",
        "s",
        "t",
        "u",
        "v",
        "w",
        "x",
        "y",
        "z",
        "A",
        "B",
        "C",
        "D",
        "E",
        "F",
        "G",
        "H",
        "I",
        "J",
        "K",
        "L",
        "M",
        "N",
        "O",
        "P",
        "Q",
        "R",
        "S",
        "T",
        "U",
        "V",
        "W",
        "X",
        "Y",
        "Z",
        "0",
        "1",
        "2",
        "3",
        "4",
        "5",
        "6",
        "7",
        "8",
        "9",
      ];
      let colors = [
        "0",
        "1",
        "2",
        "3",
        "4",
        "5",
        "6",
        "7",
        "8",
        "9",
        "a",
        "b",
        "c",
        "d",
        "e",
        "f",
      ];
      let sizes = ["14", "15", "16", "17", "18"];

      let output = [];
      for (let i = 0; i < len; i++) {
        // 随机验证码
        let key = Math.floor(Math.random() * chars.length);
        this.codes[i].num = chars[key];
        // 随机验证码颜色
        let code = "#";
        for (let j = 0; j < 6; j++) {
          let key = Math.floor(Math.random() * colors.length);
          code += colors[key];
        }
        this.codes[i].color = code;
        // 随机验证码方向
        let rotate = Math.floor(Math.random() * 60);
        let plus = Math.floor(Math.random() * 2);
        if (plus == 1) rotate = "-" + rotate;
        this.codes[i].rotate = "rotate(" + rotate + "deg)";
        // 随机验证码字体大小
        let size = Math.floor(Math.random() * sizes.length);
        this.codes[i].size = sizes[size] + "px";
      }
    },
  },
};
</script>
<style lang="scss" scoped>
.loginIn {
  min-height: 100vh;
  position: relative;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;

  .left {
    position: absolute;
    left: 0;
    top: 0;
    width: 360px;
    height: 100%;

    .login-form {
      // background-color: transparent;
      background-color: rgba($color: #000, $alpha: 0.3);
      border-radius: 20px;
      width: 100%;
      right: inherit;
      padding: 0 12px;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      flex-direction: column;
    }

    .title-container {
      text-align: center;
      font-size: 24px;

      .title {
        margin: 20px 0;
      }
    }

    .el-form-item {
      position: relative;

      .svg-container {
        padding: 6px 5px 6px 15px;
        color: #889aa4;
        vertical-align: middle;
        display: inline-block;
        position: absolute;
        left: 0;
        top: 0;
        z-index: 1;
        padding: 0;
        line-height: 40px;
        width: 30px;
        text-align: center;
      }

      .el-input {
        display: inline-block;
        height: 40px;
        width: 100%;

        & /deep/ input {
          background: transparent;
          border: 0px;
          -webkit-appearance: none;
          padding: 0 15px 0 30px;
          color: #fff;
          height: 40px;
        }
      }
    }
  }

  .center {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 360px;
    transform: translate3d(-50%, -50%, 0);
    height: 446px;
    border-radius: 8px;
  }

  .right {
    position: absolute;
    left: inherit;
    right: 0;
    top: 0;
    width: 360px;
    height: 100%;
  }

  .code {
    .el-form-item__content {
      position: relative;

      .getCodeBt {
        position: absolute;
        right: 0;
        top: 0;
        line-height: 40px;
        width: 100px;
        background-color: rgba(51, 51, 51, 0.4);
        color: #fff;
        text-align: center;
        border-radius: 0 4px 4px 0;
        height: 40px;
        overflow: hidden;

        span {
          padding: 0 5px;
          display: inline-block;
          font-size: 16px;
          font-weight: 600;
        }
      }

      .el-input {
        & /deep/ input {
          padding: 0 130px 0 30px;
        }
      }
    }
  }

  .setting {
    & /deep/ .el-form-item__content {
      padding: 0 15px;
      box-sizing: border-box;
      line-height: 32px;
      height: 32px;
      font-size: 14px;
      color: #999;
      margin: 0 !important;

      .register {
        float: left;
        width: 50%;
      }

      .reset {
        float: right;
        width: 50%;
        text-align: right;
      }
    }
  }

  .style2 {
    padding-left: 30px;

    .svg-container {
      left: -30px !important;
    }

    .el-input {
      & /deep/ input {
        padding: 0 15px !important;
      }
    }
  }

  .code.style2,
  .code.style3 {
    .el-input {
      & /deep/ input {
        padding: 0 115px 0 15px;
      }
    }
  }

  .style3 {
    & /deep/ .el-form-item__label {
      padding-right: 6px;
    }

    .el-input {
      & /deep/ input {
        padding: 0 15px !important;
      }
    }
  }

  .role {
    & /deep/ .el-form-item__label {
      width: 56px !important;
    }

    & /deep/ .el-radio {
      margin-right: 12px;
    }
  }
}
</style>
